#include<stdio.h>
typedef unsigned char *byte_pointer;
void show_bytes(byte_pointer start ,size_t len);
int main(int argc,char *argv[])
{
   int i=0x12345678;
   char *c=(char*)&i;
   printf("%x\n",*c);
return 0;
}
void show_bytes(byte_pointer start ,size_t len){
size_t i;
for(i=0;i<len;i++) printf("%.2x",start[i]);
printf("\n");
}
void show_int (int x){
show_bytes((byte_pointer) &x,sizeof(int));
}
void show_float(float x){
show_bytes((byte_pointer) &x,sizeof(float));
}
void show_pointer(void *x){
show_bytes((byte_pointer) &x,sizeof(void *));
}
